Effects of the finite pulse widths on solid echo signals.
The quadrupolar and dipolar interactions of spins during the radio frequency (RF) pulses are considered. It is shown that due to these interactions the two-pulse echo signal is observed at the shifted time t(e) = tau + t1/2 (t1 = width of the first RF pulse, tau = time interval between the pulses).
Sergeev
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Institute of Physics, University of Szczecin, Poland. sergeev@uoo.univ.szczecin.pl
D009682:Magnetic Resonance Spectroscopy / Q000379:methods*; D008432:Mathematical Computing